{"id":5299,"date":"2024-09-09T20:20:22","date_gmt":"2024-09-09T12:20:22","guid":{"rendered":"https:\/\/viox.com\/?post_type=product&#038;p=5299"},"modified":"2024-09-09T20:40:37","modified_gmt":"2024-09-09T12:40:37","slug":"jr28-thermal-overload-relay","status":"publish","type":"product","link":"https:\/\/test.viox.com\/ja\/product\/jr28-thermal-overload-relay\/","title":{"rendered":"JR28\u30b5\u30fc\u30de\u30eb\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u30ea\u30ec\u30fc"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>JR28 Thermal Overload Relay<\/h2>\n<h2>Overview<\/h2>\n<p>The VIOX JR28 series thermal overload relays are designed to protect AC motors from overload and phase failure. These relays offer comprehensive protection for motors operating at 50\/60Hz frequency with voltages up to 690V and currents ranging from 0.1A to 93A.<\/p>\n<h2>Key Features<\/h2>\n<ul>\n<li><strong>Wide Operating Range:<\/strong> Suitable for 50\/60Hz, up to 690V AC<\/li>\n<li><strong>Versatile Current Protection:<\/strong> 0.1-93A range<\/li>\n<li><strong>Multiple Protection Functions:<\/strong> Overload and phase failure protection<\/li>\n<li><strong>Flexible Reset Options:<\/strong> Manual and automatic reset available<\/li>\n<li><strong>Temperature Compensation:<\/strong> Ensures reliable protection across various conditions<\/li>\n<li><strong>Status Indication:<\/strong> Clear ON\/OFF status display<\/li>\n<li><strong>International Compliance:<\/strong> Meets IEC 60947-4-1 standards<\/li>\n<\/ul>\n<h2>Technical Specifications<\/h2>\n<table class=\"restable w-100\">\n<tbody>\n<tr class=\"thead-light\">\n<th colspan=\"2\">Main circuit characteristics<\/th>\n<\/tr>\n<tr>\n<td>Rated insulation voltage Ui<\/td>\n<td>690V<\/td>\n<\/tr>\n<tr>\n<td>Rated impulse withstand voltage Uimp<\/td>\n<td>6kV<\/td>\n<\/tr>\n<tr>\n<td>Tripping class<\/td>\n<td>10A<\/td>\n<\/tr>\n<tr>\n<td>Current setting range<\/td>\n<td>0.4&#8230;0.63A<\/td>\n<\/tr>\n<tr>\n<td>Conductors cross-section<\/td>\n<td>1\u00d71,5&#8230;10 mm<sup>2\u00a0<\/sup>flexible cable without cable end<br \/>\n1\u00d71&#8230;4 mm<sup>2\u00a0<\/sup>flexible cable with cable end<br \/>\n1\u00d71&#8230;6 mm<sup>2\u00a0<\/sup>rigid cable without cable end<\/td>\n<\/tr>\n<tr>\n<td>Tightening torque<\/td>\n<td>1,85 N\u00b7m<\/td>\n<\/tr>\n<tr class=\"thead-light\">\n<th colspan=\"2\">Auxiliary contacts characteristics<\/th>\n<\/tr>\n<tr>\n<td>Conventional thermal current<\/td>\n<td>5A<\/td>\n<\/tr>\n<tr>\n<td>Max power of the contactor coil<\/td>\n<td>100VA at 24V AC<br \/>\n200VA at 48V AC<br \/>\n400VA at 110V AC<br \/>\n600VA at 220V AC<br \/>\n600VA at 380V AC<br \/>\n600VA at 600V AC<\/td>\n<\/tr>\n<tr>\n<td>Short-circuit protection<\/td>\n<td>fuse gG 5A<\/td>\n<\/tr>\n<tr>\n<td>Conductors cross-section<\/td>\n<td>1\u00d71&#8230;2,5 mm<sup>2<\/sup>\/2\u00d71&#8230;2,5 mm<sup>2\u00a0<\/sup>flexible cable without cable end<br \/>\n1\u00d71&#8230;2,5 mm<sup>2<\/sup>\/2\u00d71&#8230;2,5 mm<sup>2\u00a0<\/sup>flexible cable with cable end<br \/>\n1\u00d71&#8230;2,5 mm<sup>2<\/sup>\/2\u00d71&#8230;2,5 mm<sup>2\u00a0<\/sup>rigid cable without cable end<\/td>\n<\/tr>\n<tr>\n<td>Tightening torque<\/td>\n<td>1,2 N\u00b7m<\/td>\n<\/tr>\n<tr class=\"thead-light\">\n<th colspan=\"2\">Environmental characteristics<\/th>\n<\/tr>\n<tr>\n<td>Degree of protection<\/td>\n<td>IP2X<\/td>\n<\/tr>\n<tr>\n<td>Operating temperature<\/td>\n<td>-30\u00b0C&#8230;+55\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Storage temperature<\/td>\n<td>-60\u00b0C&#8230;+70\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"table-responsive\">\n<table class=\"table table-bordered w-100 text-center\">\n<thead class=\"thead-light\">\n<tr class=\"thead-light\">\n<th>Test<\/th>\n<th>Series No.<\/th>\n<th colspan=\"2\">I\/I<sub>n<\/sub><\/th>\n<th>Operating time, T<sub>p<\/sub><\/th>\n<th>Start condition<\/th>\n<\/tr>\n<tr>\n<td rowspan=\"4\">Overload protection<\/td>\n<td>1<\/td>\n<td colspan=\"2\">1,05<\/td>\n<td>&gt;\u00a02h<\/td>\n<td>Cold state<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td colspan=\"2\">1,2<\/td>\n<td>&lt;\u00a02h<\/td>\n<td>Heat state following the No.1 test<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td colspan=\"2\">1,5<\/td>\n<td>&lt;\u00a04min<\/td>\n<td>Heat state following the No.1 test<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td colspan=\"2\">7,2<\/td>\n<td>2s&lt;T<sub>p<\/sub>\u226410s<\/td>\n<td>Cold state<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">Phase failure protection<\/td>\n<td rowspan=\"2\">5<\/td>\n<td>any 2 phases<\/td>\n<td>another phase<\/td>\n<td rowspan=\"2\">&gt;\u00a02h<\/td>\n<td rowspan=\"2\">Cold state<\/td>\n<\/tr>\n<tr>\n<td>1,0<\/td>\n<td>0,9<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>1,15<\/td>\n<td>0<\/td>\n<td>&lt;\u00a02h<\/td>\n<td>Heat state following the No.5 test<\/td>\n<\/tr>\n<\/thead>\n<\/table>\n<\/div>\n<h2>Dimension<\/h2>\n<p><a href=\"https:\/\/test.viox.com\/?attachment_id=5301\" rel=\"attachment wp-att-5301\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-5301 size-full\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2024\/09\/JR28-Thermal-Overload-Relay02.webp\" alt=\"JR28 Thermal Overload Relay Dimension\" width=\"800\" height=\"363\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2024\/09\/JR28-Thermal-Overload-Relay02.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/09\/JR28-Thermal-Overload-Relay02-300x136.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/09\/JR28-Thermal-Overload-Relay02-768x348.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/09\/JR28-Thermal-Overload-Relay02-600x272.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<h2>Model<\/h2>\n<section class=\"my-40 px-[8%] mx-auto sm:px-0 sm:w-[433px] md:w-[520px] lg:w-[693px] xl:w-[866px] 2xl:w-[1040px] 3xl:w-[1300px] 4xl:w-[1733px]\">\n<div class=\"ml-auto\">\n<div>\n<div class=\" overflow-x-auto\">\n<table border=\"0\" width=\"407\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"et2\" width=\"85\" height=\"21\">Item<\/td>\n<td class=\"et2\" width=\"105\">Code<\/td>\n<td class=\"et2\" width=\"124\">Rated current(A)<\/td>\n<td class=\"et2\" width=\"93\">Contactor<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\" rowspan=\"15\" height=\"315\">JR28-13<\/td>\n<td class=\"et2\">1301<\/td>\n<td class=\"et2\">0.1-0.16<\/td>\n<td class=\"et3\" rowspan=\"15\" width=\"93\">CJX2-09<br \/>\nCJX2-12<br \/>\nCJX2-18<br \/>\nCJX2-25<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1302<\/td>\n<td class=\"et2\">0.16-0.25<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1303<\/td>\n<td class=\"et2\">0.25-0.4<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1304<\/td>\n<td class=\"et2\">0.4-0.63<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1305<\/td>\n<td class=\"et2\">0.63-1<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1306<\/td>\n<td class=\"et2\">1-1.6<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1307<\/td>\n<td class=\"et2\">1.6-2.5<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1308<\/td>\n<td class=\"et2\">2.5-4<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1310<\/td>\n<td class=\"et5\">4-6<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1312<\/td>\n<td class=\"et5\">5.5-8<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1314<\/td>\n<td class=\"et5\">7-10<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1316<\/td>\n<td class=\"et5\">9-13<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1321<\/td>\n<td class=\"et5\">12-18<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1322<\/td>\n<td class=\"et5\">17-25<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">1353<\/td>\n<td class=\"et5\">23-32<\/td>\n<\/tr>\n<tr>\n<td class=\"et7\" rowspan=\"2\" height=\"42\">JR28-23<\/td>\n<td class=\"et2\">2353<\/td>\n<td class=\"et5\">23-32<\/td>\n<td class=\"et7\" rowspan=\"2\">CJX2-32<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">2355<\/td>\n<td class=\"et5\">28-36<\/td>\n<\/tr>\n<tr>\n<td class=\"et7\" rowspan=\"7\" height=\"147\">JR28-33<\/td>\n<td class=\"et2\">3353<\/td>\n<td class=\"et5\">23-32<\/td>\n<td class=\"et3\" rowspan=\"7\" width=\"93\">CJX2-40<br \/>\nCJX2-50<br \/>\nCJX2-65<br \/>\nCJX2-80<br \/>\nCJX2-95<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">3355<\/td>\n<td class=\"et5\">30-40<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">3357<\/td>\n<td class=\"et5\">37-50<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">3359<\/td>\n<td class=\"et5\">48-65<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">3361<\/td>\n<td class=\"et5\">55-70<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">3363<\/td>\n<td class=\"et5\">63-80<\/td>\n<\/tr>\n<tr>\n<td class=\"et2\">3365<\/td>\n<td class=\"et5\">80-93<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"my-40 mx-auto px-[8%] sm:px-0 sm:w-[433px] md:w-[520px] lg:w-[693px] xl:w-[866px] 2xl:w-[1040px] 3xl:w-[1300px] 4xl:w-[1733px]\">\n<p class=\"text-primary text-2xl sm:text-[32px] font-bold\">\n<\/section>\n<h2>Certifications<\/h2>\n<ul>\n<li>CE<\/li>\n<\/ul>\n<h2>Applications<\/h2>\n<p>Ideal for motor protection in:<\/p>\n<ul>\n<li>Industrial machinery<\/li>\n<li>HVAC systems<\/li>\n<li>Pumps and compressors<\/li>\n<li>Conveyor systems<\/li>\n<li>Manufacturing equipment<\/li>\n<li>Process control systems<\/li>\n<li>Material handling equipment<\/li>\n<\/ul>\n<h2>Benefits<\/h2>\n<ul>\n<li>Comprehensive motor protection against overload and phase failure<\/li>\n<li>Flexible installation options for various control panel designs<\/li>\n<li>Accurate protection with temperature compensation<\/li>\n<li>Easy monitoring with clear status indication<\/li>\n<li>Adaptable to different motor sizes with wide current range<\/li>\n<li>Compliant with international safety standards<\/li>\n<li>Suitable for continuous operation in industrial environments<\/li>\n<\/ul>\n<h2>Product Range<\/h2>\n<p>The JR28 series includes multiple models to accommodate different current ranges and contactor sizes. Please refer to the detailed specification chart for specific model information and compatibility with various contactors.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<div class=\"msg-content MuiBox-root css-0\">\n<div class=\"break-words\">\n<p>VIOX\u306eJR28\u30b5\u30fc\u30de\u30eb\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u30ea\u30ec\u30fc\u306f\u3001AC\u30e2\u30fc\u30bf\u30fc\u3092\u904e\u8ca0\u8377\u3084\u4f4d\u76f8\u4e0d\u826f\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002\u6700\u5927690V\u307e\u306750\/60Hz\u3067\u52d5\u4f5c\u3057\u30010.1-93A\u306e\u7bc4\u56f2\u3092\u30ab\u30d0\u30fc\u3057\u307e\u3059\u3002\u624b\u52d5\/\u81ea\u52d5\u30ea\u30bb\u30c3\u30c8\u3001\u6e29\u5ea6\u88dc\u511f\u3001\u30af\u30ea\u30a2\u306a\u30b9\u30c6\u30fc\u30bf\u30b9\u8868\u793a\u306a\u3069\u306e\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002IEC 60947-4-1\u306b\u6e96\u62e0\u3057\u3001\u4fdd\u8b77\u7b49\u7d1aIP2X\u3001\u52d5\u4f5c\u6e29\u5ea6-30\u2103\uff5e+55\u2103\u3067\u3059\u3002\u7523\u696d\u6a5f\u68b0\u3001HVAC\u3001\u304a\u3088\u3073\u88fd\u9020\u88c5\u7f6e\u306b\u6700\u9069\u306a\u3053\u306eCE\u8a8d\u5b9a\u30ea\u30ec\u30fc\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u5305\u62ec\u7684\u306a\u30e2\u30fc\u30bf\u4fdd\u8b77\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u6c4e\u7528\u7684\u306a\u8a2d\u8a08\u306b\u3088\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u96fb\u6d41\u7bc4\u56f2\u3084\u30b3\u30f3\u30bf\u30af\u30bf\u30b5\u30a4\u30ba\u306b\u5bfe\u5fdc\u3057\u3001\u67d4\u8edf\u306a\u4fdd\u8b77\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>","protected":false},"featured_media":5303,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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